marrow zone狭: narrow生长: grow; grow up; ascent; meris ...带: belt; girdle; ribbon; band; ...生长带: accretion zone; growing zone; growth band; growth zone; region of growth; zone of growth缓慢生长带: slow growth zone下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:狭生长带,即可在微信中查询翻译